// Copyright 2021 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package config provides BGP configuration logic.
package config

import (
	"fmt"
	"io"

	metallbcfg "go.universe.tf/metallb/pkg/config"
)

// Parse parses and validates the BGP configuration for use with MetalLB. It
// expects the string to be in YAML or JSON form.
func Parse(r io.Reader) (*metallbcfg.Config, error) {
	buf, err := io.ReadAll(r)
	if err != nil {
		return nil, fmt.Errorf("failed to read MetalLB config: %w", err)
	}
	config, err := metallbcfg.Parse(buf)
	if err != nil {
		return nil, fmt.Errorf("failed to parse MetalLB config: %w", err)
	}
	return config, nil
}
